package reflect;

import reflect.annotations.AutoRunClass;
import reflect.annotations.AutoRunMethod;

import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URISyntaxException;

/**
 * 调用与当前类Test6在同一个包中被注解@AutoRunClass标注的类中那些被注解@AutoRunMethod
 * 标注的方法若干次(次数由该方法注解的参数确定)
 */
public class Test6 {
    public static void main(String[] args) throws ClassNotFoundException, URISyntaxException, InstantiationException, IllegalAccessException, InvocationTargetException {


        File dir = new File(Test6.class.getResource(".").toURI());
        String packname = Test6.class.getPackage().getName();

        File[] subs = dir.listFiles(f -> f.getName().endsWith(".class"));
        for(File sub:subs){
            String fileName=sub.getName();
            String className=fileName.substring(0,fileName.indexOf("."));
            Class cls=Class.forName(packname+"."+className);
            if(cls.isAnnotationPresent(AutoRunClass.class)){
                Object obj=cls.newInstance();
                Method[] methods=cls.getDeclaredMethods();
                for(Method method:methods){
                    if(method.isAnnotationPresent(AutoRunMethod.class)){
                        AutoRunMethod arm=method.getAnnotation(AutoRunMethod.class);
                        int value = arm.value();
                        System.out.println("开始调用"+method.getName()+"方法，"+value+"次");
                        for (int i = 0; i < value; i++) {
                            method.invoke(obj);
                            /*
                            student : 4
                            hello :5
                            看电视  2
                            玩游戏  10
                            hi   1
                             */
                        }

                    }
                }
            }
        }



    }
}
